adj - to stray from what is considered normal while maintaining a sense of individuality; eccentric. It is geared mostly towards a person whose unique way of thinking, acting, dressing, or carrying one's self out isn't considered "the norm" but is catchy and highly acceptable.

"His off-center humor is refreshing in today's society where dull, dry jokes are the norm"

"That girl's bright pink, polka-dotted dress is a way off-center, but she really uses it to her advantage."